What’s cooking ? Me! Apart from being simple the strangest, this might be one of the scariest condition in human history. Also, know as “SELF CANNIBALISM”. This condition renders an uncontrollable desire in a person to devour oneself by chewing or biting. According to few notable doctors, a person usually starts from biting his/her nail and ends in life threatening situation. This is probably they say “DONT BITE YOUR NAILS”.